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| 題名: | Measurement of e+e-→ωπ0, K *(892)K̄ and K2*(1430)K̄ at √s near 10.6 GeV |
| 作者: | 陳鎰鋒;Gaur, V.;Krokovny, P.;Steder, M.;Ferber, T.;Kumita, T.;Mussa, R.;Bhuyan, B.;Kim, H. J.;Bhardwaj, V.;Liu, C.;Vossen, A.;Golob, B.;Sakai, Y.;Wang, P.;Dalseno, J.;Zhang, Z. P.;Urquijo, Phillip;Mizuk, R.;Bala, A.;Röhrken, M.;Wagner, M. N.;Chobanova, V.;Goh, Y. M.;Frey, A.;Jaegle, I.;Ogawa, S.;Yook, Y.;Tamponi, U.;Uno, S.;Itoh, R.;Aihara, H.;Yamashita, Y.;Kiesling, C.;Kah, D. H.;Yuan, C. Z.;Eidelman, S.I.;Cho, I. S.;Iwasaki, Y.;Muramatsu, Norihito;Gabyshev, N.;Hayashii, H.;Bakich, A. M.;Shapkin, M.;Pestotnik, R.;Ko, B. R.;Shibata, T. A.;Chistov, R.;Browder, T. E.;Fast, James E.;Kim, J. B.;Chen, A.;Ritter, M.;Shwartz, B.A.;Starič, M.;Farhat, H.;Unno, Y.;Zhang, C. C.;Asner, D. M.;Ng, C.;Tatishvili, G.;Nayak, M.;Okuno, S.;Sibidanov, A.L.;Varner, G. S.;Sandilya, S.;Kang, J. H.;Wang, C. H.;Teramoto, Y.;Kim, D. Y.;Hyun, H. J.;Vahsen, S. E.;Kim, H. O.;Aushev, T.;Saito, T.;Hulse, C. Van;Won, E.;Cho, K.;Uglov, T.;Kodys, Peter;Nishida, S.;Gillard, R.;Sahoo, H.;Sanuki, T.;Julius, T.;Choi, Y.;Sohn, Y. S.;Uchida, M.;Iijima, T.;Kato, E.;Bozek, A.;Korpar, S.;Pakhlova, G.;Tanida, Kiyoshi;Shiu, J. G.;Kuzmin, A.;Drásal, Z.;Semmler, D.;Haba, J.;Doležal, Z.;Ryu, Sunmin |
| 貢獻者: | 理學院物理學系 |
| 日期: | 2013-09-27 |
| 上傳時間: | 2026-04-23 12:10:07 (UTC+8) |
| 出版者: | American Physical Society;American Physical Society (APS) |
| 摘要: | 摘要： Using data samples of 89 fb(-1), 703 fb(-1), and 121 fb(-1) collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider at center-of-mass energies 10.52 GeV, 10.58 GeV, and 10.876 GeV, respectively, we study the exclusive reactions e(+)e(-) -> omega pi(0), K*(892)(K) over bar, and K-2*(1430)(K) over bar. ( Charge-conjugate modes are included implicitly.) Significant signals of omega pi(0), K*(892)(0)(K) over bar (0), and K-2*(1430)K--(+) are observed for the first time at these energies, and the energy dependencies of the cross sections are presented. On the other hand, no significant excesses for K*(892)K--(+) and K-2*(1430)(0)(K) over bar (0) are found, and we set limits on the cross section ratios R-VP = sigma(B)(e(+)e(-)-> K*(892)K-0(0))/sigma(B)(e(+)e(-)-> K*(892)K--(+)) > 4.3, 20.0, and 5.4, and R-TP = sigma(B)(e(+)e(-) -> K-2*(1430)(0)(K) over bar (0))/sigma(B)(e(+)e(-)-> K-2*(1430)K--(+)) < 1.1, 0.4, and 0.6, for center-of-mass energies of 10.52 GeV, 10.58 GeV, and 10.876 GeV, respectively, at the 90% C.L.
出版者： American Physical Society (APS)
出版日期： 2013-09-27
出處： Physical Review D, 2013-09, Vol.88
識別號： ISSN: 1550-7998
識別號： EISSN: 1550-2368
識別號： DOI: 10.1103/physrevd.88.052019 |
| 顯示於類別: | [物理學系] 期刊論文
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